From 1ba2615e468ec70de1b7dfa9868d3f0456d5f40c Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Date: Thu, 2 Mar 2023 11:39:41 +0000
Subject: media: mxb: update the tvnorms when changing input

The tuner input uses different tvnorms compared to the
S-Video/Composite inputs. So update the tvnorms field
in struct video_device when switching inputs.

This fixes a V4L2 compliance issue.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
---
 drivers/media/pci/saa7146/mxb.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'drivers/media')

diff --git a/drivers/media/pci/saa7146/mxb.c b/drivers/media/pci/saa7146/mxb.c
index 557ba89cd12d..3b0c475c7ab4 100644
--- a/drivers/media/pci/saa7146/mxb.c
+++ b/drivers/media/pci/saa7146/mxb.c
@@ -512,6 +512,9 @@ static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
 	if (err)
 		return err;
 
+	mxb->video_dev.tvnorms = mxb_inputs[input].std;
+	mxb->vbi_dev.tvnorms = mxb_inputs[input].std;
+
 	/* switch video in saa7111a */
 	if (saa7111a_call(mxb, video, s_routing, i, SAA7111_FMT_CCIR, 0))
 		pr_err("VIDIOC_S_INPUT: could not address saa7111a\n");
-- 
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